Can yoyo loaches live with dwarf neon rainbowfish?

Verdict
Yes

Yes, yoyo loaches and dwarf neon rainbowfish can live together. Both are fine at 75–82°F. Plan on at least 40 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Yoyo loach 75–86°Dwarf neon rainbowfish 75–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Yoyo loach 6–7.5Dwarf neon rainbowfish 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Yoyo loach · 5 inDwarf neon rainbowfish · 2.5 in0"1"2"3"4"5"6"
Adult length in an aquarium. A fish can swallow anything that fits in its mouth, roughly a third to half its own length for predators.

Care at a glance

Yoyo loachDwarf neon rainbowfish
Temperature75–86 °F75–82 °F
pH6–7.56.5–7.5
Adult size5.0 in2.5 in
Minimum tank40 gal20 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomMiddle
GroupGroups of 5+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for yoyo loaches

All yoyo loach tank mates

Better tank mates for dwarf neon rainbowfish

All dwarf neon rainbowfish tank mates

Questions

Can yoyo loaches live with dwarf neon rainbowfish?

Yes, yoyo loaches and dwarf neon rainbowfish can live together. Both are fine at 75–82°F. Plan on at least 40 gal.

What temperature suits both yoyo loaches and dwarf neon rainbowfish?

75–82 °F. Yoyo loaches need 75–86 °F, dwarf neon rainbowfish need 75–82 °F.

What size tank do yoyo loaches and dwarf neon rainbowfish need together?

At least 40 gal, set by the yoyo loach. Add space for each extra fish.